Compost and compost production method

Abstract

A compost according to an embodiment to which the present invention is applied is a compost obtained by fermenting an organic waste, including: a first organic waste containing livestock or poultry dung; a second organic waste containing a fibrous organic waste different from the first organic waste; a first additive containing an iron compound; and a second additive containing at least one of boric acid and silicic acid, which are mixed and fermented. Such a compost can have a significantly reduced malodor and a good growth effect as compared with a conventional compost.

1 . A compost obtained by fermenting an organic waste, the compost comprising:
 a first organic waste containing livestock or poultry dung;   a second organic waste containing coffee grounds which are a fibrous organic waste different from the first organic waste;   a first additive containing an iron compound; and   a second additive containing at least one of boric acid and silicic acid, which are mixed and fermented.   
     
     
         2 . The compost according to  claim 1 , wherein
 an amount of the second organic waste is 20 to 28 parts by mass based on 100 parts by mass of the first organic waste,   an amount of the first additive is 3 to 5 parts by mass based on 100 parts by mass of the second organic waste, and   an amount of the second additive is 3 to 25 parts by mass based on 100 parts by mass of the second organic waste.   
     
     
         3 . A compost production method for the compost according to  claim 1 , the compost production method comprising carrying out:
 a mixture generation step of generating a mixture in which the second organic waste, the first additive, and the second additive are mixed; and   a fermentation step of mixing and aerobically fermenting the mixture generated in the mixture generation step and the first organic waste.